Flat 2, 5, Belsize Avenue has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 25 Sep 2019.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

Flat 2, 5, Belsize Avenue last changed hands on 18th March 2020, selling for £500,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold 5 times since 1995.

The market for similar properties has dropped by 16.8% since March 2020.

• Sold Mar 2020£500,000
• Sold Jul 2015£440,000
• Sold Jul 2002£235,000

Land Registry records and our Estate Agent network show 43 sales of comparable properties within 270 metres of Flat 2, 5, Belsize Avenue since 2017.

Most recently, Flat 2, 22, Belsize Avenue, London, NW3 4AU, a leasehold flat, sold at £545,000 on the 5th December 2025.

Read more about house prices in NW3.

• Sold Dec 2025£545,000 | 1 Bed FlatFlat 2, 22, Belsize Avenue, London, NW3 4AUFlat 2, 22, Belsize Avenue, London, NW3 4AU
• Sold Feb 2025£580,000 | 2 Bed FlatFlat 3, 49, Belsize Avenue, London, NW3 4BNFlat 3, 49, Belsize Avenue, London, NW3 4BN
• Sold Nov 2024£625,000 | 2 Bed Flat23F , Belsize Park Gardens, London, NW3 4JH23F , Belsize Park Gardens, London, NW3 4JH
• Sold Sep 2024£625,000 | 2 Bed Flat19A, Belsize Park, London, NW3 4DU19A, Belsize Park, London, NW3 4DU
• Sold May 2024£650,000 | 2 Bed Flat22, Mccrone Mews, London, NW3 5BG22, Mccrone Mews, London, NW3 5BG
• Sold Sep 2023£780,000 | 2 Bed FlatFlat 5, 28, Belsize Park Gardens, London, NW3 4LHFlat 5, 28, Belsize Park Gardens, London, NW3 4LH
• Sold Sep 2023£617,500 | 1 Bed FlatFlat D, 10, Belsize Square, London, NW3 4HTFlat D, 10, Belsize Square, London, NW3 4HT
• Sold Jun 2023£745,000 | 2 Bed FlatFlat 4, 14, Belsize Park, London, NW3 4ESFlat 4, 14, Belsize Park, London, NW3 4ES
• Sold Mar 2023£508,000 | 2 Bed FlatFlat 27, 35-36, Belsize Square, London, NW3 4HLFlat 27, 35-36, Belsize Square, London, NW3 4HL
• Sold Jan 2023£675,000 | 2 Bed FlatFlat 5, 11, Belsize Park, London, NW3 4ESFlat 5, 11, Belsize Park, London, NW3 4ES
• Sold Aug 2022£725,000 | 2 Bed FlatFlat 5, 10, Belsize Crescent, London, NW3 5QUFlat 5, 10, Belsize Crescent, London, NW3 5QU
• Sold Jun 2022£553,000 | 2 Bed Flat16, Mccrone Mews, London, NW3 5BG16, Mccrone Mews, London, NW3 5BG
• Sold Jun 2021£531,000 | 1 Bed FlatFlat 6, 26, Belsize Avenue, London, NW3 4AUFlat 6, 26, Belsize Avenue, London, NW3 4AU
• Sold Jun 2021£1,175,000 | 2 Bed FlatFlat 4, 39, Belsize Square, London, NW3 4HLFlat 4, 39, Belsize Square, London, NW3 4HL
• Sold Jun 2021£525,000 | 2 Bed Flat12, Mccrone Mews, London, NW3 5BG12, Mccrone Mews, London, NW3 5BG
• Sold Jun 2021£535,000 | 1 Bed FlatFlat 7, 5, Belsize Avenue, London, NW3 4BLFlat 7, 5, Belsize Avenue, London, NW3 4BL
• Sold Jun 2021£525,000 | 2 Bed Flat14, Mccrone Mews, London, NW3 5BG14, Mccrone Mews, London, NW3 5BG
• Sold Apr 2019£640,000 | 1 Bed FlatFirst Floor Flat, 8, Belsize Crescent, London, NW3 5QUFirst Floor Flat, 8, Belsize Crescent, London, NW3 5QU
• Sold Aug 2018£635,000 | 2 Bed FlatFlat 10, 27, Belsize Park, London, NW3 4DUFlat 10, 27, Belsize Park, London, NW3 4DU
• Sold Aug 2017£680,000 | 2 Bed FlatFlat 4, 26, Belsize Park, London, NW3 4DUFlat 4, 26, Belsize Park, London, NW3 4DU

Agents in our network have reported 2 lettings within 270 metres of Flat 2, 5, Belsize Avenue across the last 2 years.

The newest of these is 3B , Lancaster Drive, London, NW3 4EY, a leasehold flat let by Fine Living in February 2025.

• 
  Let agreed Feb 2025£ Undisclosed | 2 Bed Flat3B , Lancaster Drive, London, NW3 4EY3B , Lancaster Drive, London, NW3 4EY
• 
  Let agreed Mar 2024£ Undisclosed | 1 Bed Flat3A , Lancaster Drive, London, NW3 4EY3A , Lancaster Drive, London, NW3 4EY

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Our analysis of the public data ranks Flat 2, 5, Belsize Avenue as the 306th largest and the 227th most expensive of the 446 addresses on Belsize Avenue, London, NW3.

Against the NW3 postcode district average, it is £693k less expensive than the typical property.

• Rosary Catholic Primary School

  400 m away
• Fitzjohn's Primary School

  600 m away
• Holy Trinity CofE Primary School, NW3

  600 m away

• The UCL Academy

  900 m away
• Haverstock School

  1.3 km away
• Harris Academy St John's Wood

  1.4 km away

• Belsize Park

  |

  400 m away
• Finchley Road

  |

  700 m away
• Hampstead Heath

  |

  700 m away

Environment Agency data suggests this area has a Very Low risk of flooding.